Boot-crimping machine



UNITED sTArEs PATENT orrica.

REUBEN IVARREN, OF JEFFERSON, OHIO.

BOOT-CRIIVIPING MACHINE.

' Specicaton of Letters Patent No. 27,586, dated March 20, 1860.

To all whom t may concern.'

Be it known that I, REUBEN IVARREN, of Jefferson, in the county of Ashtabula, in the State of Ohio, have invented a new and useful Machine for Crimping Leather for Boots; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawings, which make a part of this specification, in which- Figure l, shows the machine entire eX- cept a crank in Fig. 2.

My machine as shown in Fig. l, consists of a platform of plank A, on whic-h I erect a frame B, B, B, in the middle of which are placed the jaws C, C. These jaws standing upon the cross pieces of the frame are adj usted by a thumb screw and bolt D, having on the bolt on each side of the aws a piece of india rubber el, through which the bolt passes; this allows contraction and expansion so as to accommodate the diferent thicknesses of the leather used. The jaws are rounded at their entrance to admit the leather at first more easily and are lined on the inside with copper brass or other metal. I have also what I call a broke E made of brass or other metal, raised and lowered by the lever F, and attached at the ends to a movable frame or sash, G G G, which works up and down in grooves in the frame B, B, B. My broke is attached to a staple H on the lever F, by a pin I. This pin not only serves to raise and lower the broke7 and sash but also has upon it on each side of the broke a leather strap 7c, attached to which are brass pincers with tongues L, Z, worked by thumb screws m. I/Vhen the pieces of leather are prepared to be crimped it j is passed under the broke and the two corners are then placed in the pincers L and raised as tight as needful by means of the crank (M, Fig. 2,) applied to the pin I. The lever F, is attached at one end to a spring N, which yields so that the broke may work up and down perpeudicularly. The other end of the lever works between two upright bars O, O. These may be raised or lowered as shown, and serve to steady the lever and hold it up by a notch or pin as at P.

To use my machine, I pass the leather under the broke,7 draw up the corners, and take hold of them with the pincers L. The jaws being properly adjusted I gradually work the lever up and down, carrying the leather gradually into the jaws in the way of the wrinkles. At the same time I turn the crank M, thus raising the leather up against the broke. This brings the leather into form gradually coaxing, rather than forcing it into the shape rcquired, for it is found that when leather is forced into form by a machine working too rigidly it kills the leather making it hard like iron while the same machine may leave thinner pieces not crimped at all.

Vhat I claim as my invention and desire to secure by Letters Patent is- The flexible jaws, bolt and thumb screw, in combination with the broke pincers and tongues as stated for the purpose of crimping leather only.

REUBEN IVARREN.

Witnesses:

C. T. OHAFFEE,

A. VARREN, H. N. SMALLEY. 

